Bacteria that cause disease are called “pathogens.” When certain pathogens enter the food supply, they can cause food-borne illness. Only a few types cause millions of cases of food-borne illness each year. Ironically, most cases of food-borne illness can be prevented. Proper cooking or pro...
D. To show that bacteria are the best swimmers. (5) Which of the following is the main topic of the passage? [ ] A. The characteristic of bacteria. B. How bacteria reproduce. C. The various parts of a bacterium's body D. How bacteria cause diseases. ...
French scientist Louis Pasteur in the 1800s proved that some bacteria are germs that cause disease. He found that heat kills bacteria. Heating surgical instruments to kill bacteria is called sterilization. Heating milk and other foods to kill bacteria is called pasteurization, a word named for Pas...
How bacteria cause diseases. 相关知识点: 试题来源: 解析 【解析】【文章大意】本文主要介绍了细菌的一些特点。细菌是极其微小的生物,一些细菌有波浪状的“毛发”称为鞭毛,细菌通过鞭毛来移动,而许多细菌没有鞭毛,不能靠自己的力量移动,细菌经常与水分子碰撞,被上下推动。36.【答案】A【解析】题目意思是带下划线...
They leave behind parts of the invading germs called antigens(抗原). (2) ___ B cells are defensive white blood cells which produce antibodies. T cells are also defensive white blood cells. They attack cells in the body that have already been infected. The first time the body comes acros...
What are the harmful effects of bacteria? Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful,...
1Passage 6We usually think of bacteria as being dangerous and a cause of human diseases.Certain types of bacteria actually play a very important role both inside ourbodies and in the environment around us.Some species of bacteria do make us sick, but others may actually prevent usfrom getting...
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Viruses aren't alive; they can only grow and reproduce inside of the host cells they infect. Bacteria are living organisms. Both viruses and bacteria can get you very sick, but most bacteria are harmless and many are helpful.
Sexually transmitted diseases syphilis E.coli bacteria Is it because of the bacteria? TOP antibiotics types of antibiotics pneumonia Coconuts Spherical bacteria Neisseria gonorrhoeae, a bacterium that causes gonorrhea Neisseria meningitidis, a bacterium that causes meningitis ...